CVE-2021-20988 – Hilscher rcX RTOS: Wrong handling of the UDP checksum

https://notcve.org/view.php?id=CVE-2021-20988

In Hilscher rcX RTOS versions prios to V2.1.14.1 the actual UDP packet length is not verified against the length indicated by the packet. This may lead to a denial of service of the affected device. En Hilscher rcX RTOS versiones anteriores a V2.1.14.1, la longitud real del paquete UDP no es verificado con la longitud indicada por el paquete. Esto puede resultar a una denegación de servicio del dispositivo afectado • https://cert.vde.com/de-de/advisories/vde-2021-018 https://kb.hilscher.com/display/ISMS/2019-04-10+Wrong+handling+of+the+UDP+checksum • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •